contacts = {}

contacts["花花"] = 18870882266
contacts["小丽"] = 15969653245
contacts["博文"] = 13154327788
contacts["米妮"] = 13298789900
print(contacts)

contacts["sunny"] = 13546689119
print(contacts)

mini = contacts.get("米妮")
print(mini)

contacts["花花"] = 18955883266
print(contacts)

for key in contacts.keys():
  print(key)

for value in contacts.values():
  print(value)